Add 35/49 and 15/63
35/49 + 15/63 is 20/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
35/49 = 35 × 9/49 × 9 = 315/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
15/63 = 15 × 7/63 × 7 = 105/441 - Add the two like fractions:
315/441 + 105/441 = 315 + 105/441 = 420/441 - 420/441 simplified gives 20/21
- So, 35/49 + 15/63 = 20/21
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